7.8乘63加22乘6.3简算
7.8乘63加22乘6.3简算
7.8乘63加22乘6.3
=7.8x63+2.2x63
=(7.8+2.2)x63
=10x63
=630
(7.8乘6加7.8乘2加16)乘1.25的简算
=(7.8x6+7.8x2+8x2)x1.25
=(7.8x8+8x2)x1.25
=(7.8+2)x8x1.25
=9.8x10
=98
5.15乘3.7加6.3乘5.15简算
(5.15×3.7)+(6.3×5.15)
=5.15×(3.7+6.3)
=5.15×10
=51.5
1.6乘78加7.8乘34简算
1.6x78+7.8x34=16x7.8+7.8x34=7.8x(16+34)=7.8x50=390
3.6乘7.9加6.3乘7.9加0.79简算
解:3.6×7.9+6.3×7.9+0.79
=3.6×7.9+6.3×7.9+0.1×7.9
=(3.6+6.3+0.1)×7.9
=10×7.9
=79
4.6乘0.37加6.3乘0.64的简算
解:4.6x0.37+6.3x0.64
=0.46x10x0.37+6.3x0.64
=0.46x3.7+6.3x0.64
=(0.64-0.18)x3.7+6.3x0.64
=0.64x(3.7+6.3)-0.18x3.7
=0.64x10-0.18x(4-0.3)
=6.4+0.054-0.72
=5.68+0.054
=5.734
6.3乘3.03加6.3乘7.97减6.3的简算方法
6.3乘3.03加6.3乘7.97减6.3
=6.3x(3.03+7.97-1)
=6.3x10
=63
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7.8乘6.4加3.6乘1.3加3.6乘6.5(简算)
7.8×6.4+3.6×1.3+3.6×6.5
=7.8×6.4+(1.3+6.5)×3.6
=7.8×6.4+7.8×3.6
=7.8×(6.4+3.6)
=7.8×10
=78
7.8乘3.65加63.5乘0.78 能简算吗
7.8乘3.65加63.5乘0.78 能简算吗
7.8乘3.65加63.5乘0.78
=7.8*(3.65+6.35)
=7.8*10
=78
7.8乘10.4-7.8乘0.4简算
7.8x10.4-7.8x0.4
=7.8x(10.4-0.4)
=7.8x10
=78
希望帮到你 望采纳 谢谢 加油