递等式可简便要简便计算(七)
81×1.01 2.139÷9.3×6.2
4.264÷(0.16×20.5)5.6÷0.125
7.2÷0.8-1.2×5 6.5×(4.8-1.2×4)
28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1
777×9+1111×3 (31.8+3.2×4)÷5
递等式可简便要简便计算(八)
31.5×4÷(6+3) 0.64×25×7.8+2.2
2÷2.5+2.5÷2 194-64.8÷1.8×0.9
36.72÷4.25×9.9 5180-705×6
24÷2.4-2.5×0.8 (4121+2389)÷7
671×15-974 469×12+1492
递等式可简便要简便计算(九)
405×(3213-3189) 19.4×6.1×2.3
5.67×0.2-0.62 18.1×0.92+3.93
0.043×24+0.8751.25×11×8
0.6×0.5×1.13 8.25+2.4×0.5
12.8-4.8×0.25 20×1.95-1.8
递等式可简便要简便计算(十)
7.8×0.36-0.64×7.8 8×0.9×1.25
14.25×14.6-4.25×14.6 2.139÷9.3×6.2
4.264÷(0.16×20.5)102×8.5
2.6×1.9÷2.6 2.88÷0.12×7.5
8.5-21.28÷7.6 6.8÷(0.25×6.8)