(2.5X8+2.5X6+8X6)X2用脱式计算
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(2.5X8+2.5X6+8X6)X2用脱式计算(2.5×8+2.5×6+8×6)×2=(20+15+48)×2=83×2=166
咨询记录 · 回答于2023-03-12
(2.5X8+2.5X6+8X6)X2用脱式计算
(2.5X8+2.5X6+8X6)X2用脱式计算(2.5×8+2.5×6+8×6)×2=(20+15+48)×2=83×2=166
0.4X0.4X2+0.4X1.2X4用脱式计算
0.4×0.4×2+0.4×1.2×4 =0.32+1.92 =2.24
好的,要过程么
嗯
0.4×0.4×2+0.4×1.2×4 =0.16×2+0.48×4=0.32+1.92 =2.24
(10X6+10X4+6X4)X2用脱式计算
(10×6+10×4+6×4)×2用脱式计算(10×6+10×4+6×4)×2=(60+40+24)×2=124×2=248