你好
简便计算过程如下
0.78×91.6+6.2×9.16
=7.8×0.1×91.6+6.2×9.16
=7.8×9.16+6.2×9.16
=（7.8+6.2）×9.16
=14×9.16
=（10+4）×9.16
=10×9.16+4×9.16
=91.6+36.64
=128.24
望采纳
0.78×91.6+6.2×9.16
=7.8×9.16+6.2×9.16
= 9.16×（7.8+6.2）
=9.16×14
=128.24
倍数换算。
0.78×91.6+6.2×9.16
=7.8×9.16+6.2×9.16
=（7.8+6.2）x9.16
=14x9.16
=128.24
=9.16*（7.8+6.2）
=9.16*14
=9.16*（10+4）
=91.6+9.16*4
=91.6+（9+0.16）*4
=91.6+36+0.64
=128.24
=91.6×（0.78+0.62）
=91.6×1.4
=（92-0.4）×（1+0.4）
=92+36.8-0.4-0.16
=128.24
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