题目内容
(请给出正确答案)
[单选题]
(125+× 8 简便计算正确的是()
A.125x8+8
B.125x8
C.126x8
D.125ⅹ8+1
答案
A、125x8+8
如果结果不匹配,请 联系老师 获取答案
A.125x8+8
B.125x8
C.126x8
D.125ⅹ8+1
A、125x8+8
A.6.8×3.7-3.7+37×0.42=25.16-3.7+15.54=21.46+15.54=37
B.6.8×3.7-3.7+37×0.42=6.8×3.7-3.7×1+3.7×4.2=(6.8+1+4.2)×3.7=12×3.7=44.4
C.6.8×3.7-3.7+37×0.42=6.8×3.7-3.7×1+3.7×4.2=(6.8-1+4.2)×3.7=10×3.7=37
D.6.8×3.7-3.7+37×0.42=6.8×3.7-3.7×1+3.7×42=(6.8-1+42)×3.7=47.8×3.7=176
A.25 × 32 ×25=25× 4 +125 ×8
B.350 ÷14=350÷ 7 ÷ 2
C.12.8 - (12 - 7.2)=12.8 + 7.2 -12
D.88 ×125=11× (8 ×125)
A.125×32×25=(125×8)×(4×25)=1000×100=100000
B.125×32×25=(125×8)+(4×25)=1000+100=1100
C.125×32×25=125×8×4×25=1000×100=100000