Part1:口算
8.76×0.5= 5÷2.5= 4.75-0.98= 0.54+3.27= 7.47+2.86= 37.35+6.97= 3.6×5.9= 8.4÷12= 10.3-8.7= 3.4+5.9=
Part2:脱式计算
0.32×99+25×0.07 8.76×4.5-15.7×0.14
(13.6-4.17)÷2.5 15.32×4+4.68÷0.25
Part3:解方程
4×4.5-3χ=6.36 5.1χ-3.5χ=0.8
χ÷12.5=8 8χ=4
Part1:口算
0.37×4= 7.49+12.8= 16.2÷40= 15.32-13.6= 1.2÷0.8=0.68+3.75= 21.5+6.8= 0.6×69.3= 310÷50= 22.7-6.58=
Part2:脱式计算
(58.4+15.6)×2.3 168-3.76×20+7.38
0.8×[(5-0.68)÷1.2] 2.5×3.2×12.5
Part3:解方程
χ÷1.36=5.4 0.75χ=3
0.5χ-0.2χ=15 6÷30=χ÷0.5
Part1:口算
169÷13= 10.3-1.42= 90×2.14= 3.57+4.64= 156÷40=8×6.34= 1.57+7.46= 10.8-5.13= 135÷30= 4.96+2.25=
Part2:脱式计算
3.9+(10-0.6)÷8 9.56×
4.25+0.25×4.4
0.27×1.9-0.83 48×2.7-1.8×15
Part3:解方程
1.25-3χ=0.5 1.4÷4χ3.5÷χ
(χ-0.4χ)÷1.4=3.3 4χ-0.4=8.4
Part1:口算
+ = - = + = + = - =
+ = + = + = - = + = Part2:脱式计算
-( + ) + +
+ + + -( + )
Part3:解方程
χ+ = χ- =
χ- =1 χ- =
2 1 20 17 12
5 5 4 3
2 3
1 4
1 3
1 6
1 4
1 8 5 3
2 5
1 12
5 12 7 6
1 8
5 7
3 4
3 6
5 7
2 5
2 8
5 9
8 3
1 9
2 5
4 1
5 11 10
3 9 2 5
4 9 2
5 1 20 7 12
5 7
3 4
3 12
5 8
3 6
5
- = 1- - = + -2= + = + - =
- = - = - = + = + = Part2:脱式计算
+ + = + -
+ - 2- -
Part3:解方程
χ+ χ=28 χ=45
χ- = +χ=
Part1:口算
2 1
5
1 2
1 4
1 5
1 15 13 5
2 7 9 6
1 5
3 3
2 5 4 2
1 3
1 2
1 3 1 4
1 7
5 6 5 8
5 12 5 15
13 5 2 5 2 10
3 5 4
6 1
2 1
- = + = + = - = - = Part2:脱式计算
+( - ) - +
-( - ) -( + )
Part3:解方程
2χ- = χ+ =
-χ= χ-( - )=
Part1:口算
× = ÷ = ÷ = ×30 = + = 5
4 10
3 12
1 2
1 9
4 8
7 6
1 9
5 7
4 5
2 15
2 6
5 7
3 8
3 12
5 3
1 8
5 12 7 9 8 9 2 4
1 2 1 12 11 6
5 6
1 3
1 7
6 12
7 4 1 24 5 16 7 24
7 4
3 6
5 6
5 5
3 6
1 5
3 6
1 15
2
10.8÷0.9= 1.5×0.25= 0.5×3.2= × ×14= 9-2÷8=
Part2:脱式计算
( + + )×72 ( - ÷ )×
÷[( + )× ] ÷( - )×( - )
Part3:解方程
χ- χ= 2.5χ+3.6=9.6
1 -3χ= 1 ÷4=3.5÷χ
Part1:口算
2.8÷0.25= 2.75+1 = 3 +10.2= 0.125×8= 6.3÷0.07=
12
5 9 1 8
3 5
4 4
1 8
7 19
5 6
5 3 2 4
3 34
3 9
4 6
5 2
1 6
5 2
1 5
2 6 1 15 14 4
1 2
1 5
2 4
1 5
4
Part2:脱式计算
9 ×4.25+4 × × + ÷5
48×( + + ) ( + )
×6+
Part3:解方程
2χ+2.7=24.7 χ- χ=
9÷χ= ÷ χ+ χ=42
Part1:口算
305-199= 6.7+4.3= 0.3+0.32= 8÷0.02= 2.05×4=
+ = 12÷ = + = ÷ = +0.4= 12
7 3 2 6
5 4
1 6
1 5
4 7
6 5
1 6
5 6
3 12
7 6
3 13
7 9
4 21
10 5
1 3
1 3
2 2
1 6 5 9 1 5
2 6 1 4
3 6 1 8
3
11×( + )×7 ×101-9÷25
560÷16÷5 6÷ -
÷6
Part3:解方程
+χ= χ- =0.25
4χ- =8.4 ÷χ=7÷
Part1:口算
3.2-2.7= 0.125+ = 0.75- = -0.5= ×0.5=
×1.2=
× = ÷ = + = - = Part2:脱式计算
10 3 7
6 7
6 9
4 6
5 5
2 9
4 2
1
8 7
4
1
3
2 5
2 6 5 8
3 21
4 9 2 18
5 9 2
6 5 4 3 8
3
×[ ÷( + )] ÷7+ ×
Part3:解方程
12÷14=χ÷3.5 4.2χ- =10
21.6÷χ=1.2-0.4 χ÷3.14=3
Part1:口算
10-0.76= 4.8× = 0.6+ = +0.2= +0.125=
0.4- = + = - = - =
÷ = Part2:脱式计算
24×( + - ) ( + - )
×30 3
4 8
3 9
8 6
5 4
3 11
4 11
4 7
6 5
1
4
3 4
1 5 3
8
5
7
1 2
1 3
1 9
1 5
6 6
5 3
1 7
3 4 3 6 5 3
2 5 2 6 1 15
2
( + )÷ + 68×3.5-40.8÷0.24
Part3:解方程
÷χ=0.15÷0.18 χ- χ-5=18
0.4χ+ χ= ÷ 1.2=0.8 ÷χ
Part1:口算
0.68×50= 18.84+1.5= 8.3-3.4= 3.9×0.3= 8.6×8=
+ = ÷3= × = + = + = Part2:脱式计算
4.3÷ +7.7 × ÷(1÷ -2.5)+ 10 7
2
3 11 9
5 4
4 1
3 7 2
3 3 2 5 1 30 7 5
2 8 3
3 2
3 2
4 3
5 2
4 3
5
1
4 1
5 6
6 5
10
1 5
2
(736÷16+37 ) ×18 ( + - )
÷
Part3:解方程
χ+ χ=66 ÷χ=0.75÷1.8
χ- χ- =1 =0.12÷1.5
Part1:口算
0.25×104= 736+37= 0.7×68.3= 5.4-3.9= 0.24×5=
+1.2= 3÷ = + = - = - = Part2:脱式计算
( + - ) ÷ [ -( - )] × 5 2 χ
6.4
11 5 8 7 6
5 12
5 24
1 4 3 6 1 3 4
5 4
5 1
4 3 3 2 8 3 9 2
5 2 4
1 5
2 6 5 15 7 30 1 6 5 14 5 7 2 18
7
( + )× ( - ) ÷[ ×( - )
Part3:解方程
χ- χ= 3.2χ-2χ=18
9χ+13.5=16.2
÷ = 0.8÷χ
Part1:口算
14÷35= 0.77+0.33= 3.14×4= 0.3+ = 22.3-19.5=
+ = + = - = × = ×4+4× = Part2:脱式计算
2+0.45÷0.9-0.75 (9.7-2.15-4.85)÷0.9 4 3 3 2
9 2
8 7 16
5 4 3
7
5 4
1 5
3 5 3 5 1 10
1
20 3 2
1 6
1
3 1 7 6 5
4 2 1 5
2 7 5 15 14 5 4 5 1
+6.4× × + +
Part3:解方程
3χ÷3.5= +0.3(χ+ )= χ+0.1
1.2(χ- )÷ =0.75 (9-7.6)χ- =χ+
2.4
Part1:口算
3×0.64= 7÷1.4= 18÷360= 2.1+ = 8 -2.5=
× = 81÷ = - = + = ×2 = Part2:脱式计算
÷[ -( + )] ( + - )÷ 32
9 2 1
15
14 12
7 5
1 8
3 7
8 5
3
10
9 3
2 2
1 4
1 5
2 5
4
5
3 5
4 3 2
5
3 4
9 5
1
51
11
15 2
1 11
15 11
4 5
1
6
5
4
1 12
5 12
1
10.26-3.78+ 0.65×14-
Part3:解方程
(3.7+2.8)χ- =12.75 + χ=
( -0.4)χ+0.25=χ- ×(χ-1.2)-0.72=0.3χ+
Part1:口算
4.32-1.74= 3.65+0.47= 0.4×2
5.2= 135÷30= 64.1-35.3=
56× = × = 5×3 = × = × =
Part2:脱式计算
56 ÷27+8 ×0.875 (11.1×66-18.5×8)÷3.7
100
31 50 11
14 9
121 25
12
11 30 7
9 4
8 3
15 2
9 4
16 3
13
1 7
1
Part3:解方程
12÷(χ+ )=1.2 χ- χ=
= χ+ χ= 42
Part1:口算
4.7-3.72= 6.57+13.6= 2.39-1.4= 9.2-4.47= 62.4+37.92=
- = + = - = + = ÷1 = Part2:脱式计算
2 +1 ×2 6 -1 ×
10
÷2 - 1 + ÷ 5 4
8 3
2 7
4.5 0.8
3
1 3
2 10
7 4
3 7 2
3 2
6
5 6 1
3
1 6
1 12
7 9 7
5 1 7 1 2 1 7 2 3 1 8 1 24 1 8 1 5 4 3
1
Part3:解方程
+2χ= 5χ-3× =
3χ- × = χ- χ=1
Part1:口算
6.4-3.65= 3.5+12.75= 24.3-12.58= 34.26+78.9 24-0.15=
- = × = ÷ = - = + = Part2:脱式计算
16-(9 + ÷ ) (3 -2 × )÷4
( -
÷2)× 2 ×(10-3 )÷ 4 1 2 1 5
7 5 2
4 3
5 9
5 4
10 3
3 2 3 1
12 1
5 2
3
2 4
3
5
1 4 1 10
1 13 10
25 1
3 1
5 4
5 4 8 3 10 1 7 5 10 3 8 3 6
5 7 3
6 1 3 2
Part3:解方程
2(χ+ )=3χ-5 - χ- χ=
90× +
χ=20 0.2χ+ =8-1 χ
Part1:口算
249+49= 312.4-11.48= 426.1-42.49= 461-414.1= 240.15-48.1=
× = + = - =
÷ = - = Part2:脱式计算
4 ÷16+3 × 15-3 ÷ ×2
2 - ×2+1 ÷ - × 4 1
6 1
3 1
6
1 2
1 5
4 5
3 7
4 2
1 7 2
9 8
8
3 7 1
9
2 9
2 2
1 5
1 5
1 5
1 5
1 7 4 8 5 9 4 6 1 9 5 7
2 5
3
4 3 8 7 4
3
Part3:解方程
-χ= χ+2 =4.25
χ+
χ=121 χ-(1 + )=4.5
Part1:口算
42.15+3.48= 34.45+349.5= 84.26+24.66= 94+32.8= 15.15-9.2=
÷ = - = - = + = + = Part2:脱式计算
1÷ + ×(3 ÷2 ) (2-3 × )÷(4 ÷3 )
1 ÷(1 × + ÷1 ) 3 + ×(1 - )÷2
11
10 3 2 12 7 4 1 3 2 3 2 6
1 11
2 11
9 5
1 5 1
5
2 55
44 16
5
15
8 4
3 18
7 7
4 5 1 15 7
24 5
8 3
9 7
2 1
9 5
7 2
14 5
3 2
8 5
7 5
6 1
3 1
9 7
6 5
4
3
Part3:解方程
(χ+ )×7=8.1 37.5+ +χ=69
= χ-1- χ=2
Part1:口算
16.43+8.48= 292.4-72.56= 245+28.1= 10.01-5.4= 183+873=
× = + = - = - = ÷ = Part2:脱式计算
(1 +6 +2 +3 )× [9-( + )×24]÷1
1 ÷ -1 ×1 +3
2 +1÷3.8×
3 -3.5 3.6
χ 1.2
5 3 2
8
5 3
1 8
3 1
4 1
5
3
8
1 1
2 1
9 1
9 2
5
2 7
4 20
7
2
1 5
4 8
7 4 3
8 1
6 1
9 5
8
3 7
4 5 2
3
2 6
5