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(7)(5.28+5.28+5.28+5.28)×0.25=(8)(291-38×3.5-35.5)÷3.5=
题目详情
(7)(5.28 +5.28 +5.28 +5.28 )× 0. 25= | (8)( 291-38×3.5-35.5)÷ 3.5= |
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答案和解析
(1)原式=0.125×8×(500×0.2) =100 | (2)原式=98.5-6.045 =92.455 | (3)原式=0.97×1.01 =0.9797 |
(4)原式=4.7×(4.7+4.3+1) =4.7×10 =47 | (5)原式=49.2-(0.25+8.75) =49.2-9 =40.2 | (6)原式=2.008×(1991+1) =2.008×2000 =4016 |
(7)原式=5.28×4×0.25 =5.28 | (8)原式=255.5÷3.5-38 =35 |
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