84÷2.1= 5÷0.25= 查看更多

 

题目列表(包括答案和解析)

9.1×3= 0.8×7= 5.6÷2= 11÷3= 40×0.5=
10-0.1= 2.48÷0.8= 2.1÷0.7= 5.2+0.08= 0.3×1.7=
0.5×1.8= 0.84÷7= 0.54÷0.6= 3.9÷39= 2.4-1.8=
0.32+1.28= 3×0.09= 0.9×0.9= 1×8.02= 6.5÷1.3=
1.5×102= 4×0.25= 1.25×1.4×8= 15-1.7-1.3= 4.3×99+4.3=

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9.1×3=0.8×7=5.6÷2=11÷3=40×0.5=
10-0.1=2.48÷0.8=2.1÷0.7=5.2+0.08=0.3×1.7=
0.5×1.8=0.84÷7=0.54÷0.6=3.9÷39=2.4-1.8=
0.32+1.28=3×0.09=0.9×0.9=1×8.02=6.5÷1.3=
1.5×102=4×0.25=1.25×1.4×8=15-1.7-1.3=4.3×99+4.3=

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3.25×0.7=5.6×0.06=1.06×2.5=
2.9×0.44=0.84×0.35=0.1 8×8.6=

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(1)79.76+84.7×0.2 (2)15.37+28.44+12.56
(3)(2.3×8.8-2.3×0.8)×1.25 (4)[5.2-(2.5+7.5÷5)]×1.2.

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7X-25=13.5 5.6X=17.28-4X
3
4
X+
1
2
X=4
1
4
X+15%X=
1
20
(10-7.5)X=0.125×8 4(X-1.2)=1.5X+5.2
7X=84 60%X+22=211 X-2.5=10.8
27+X=103 X÷1.8=21 6X+2.7=10.2
X-
2
9
X=23.1.

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