0.4×5.2+2/5×2.2+40%×2.6
2个回答
0.4×5.2+2/5×2.2+40%×2.6
=0.4×(5.2+2.2+2.6)
=0.4×10
=4
相关问题
6×3-1.8×=7.2 ×÷40%+40=90 5:×=2.5:0.6 ×+3分之4=1.2分之0.6
用简便方法计算下面各题.2.3×2.5×0.40.29×1021.2×2.5+0.8×2.51.25×0.4×8×2.5
3×40=8×15.2.5×0.4=0.5×2.改写成比例
8×4×2+6.5×4×2+8×6.5
0×1×2×3+1=1=1^2 1×2×3×4+1=25=5^2 2×3×4×5+1=121=11^2 3×4×5×6+
观察下列式子:1×4+2=6=2×3,2×5+2=12=3×4,3×6+2=20=4×5,4×7+2=30=5×6…,请
观察下列式子:1×4+2=6=2×3,2×5+2=12=3×4,3×6+2=20=4×5,4×7+2=30=5×6…,请
(-4)×5/6×(-1.2)×(-0.
计算:(2×5+2)(4×7+2)(6×9+2)…(100×103+2)(1×4+2)(3×6+2)(5×8+2)…(9
计算:(2×5+2)(4×7+2)(6×9+2)…(100×103+2)(1×4+2)(3×6+2)(5×8+2)…(9